int32 id

time tracking_time                          # since when the object is tracked
time last_seen

geometry_msgs/TwistWithCovariance velocity

geometry_msgs/Pose bounding_box_center
geometry_msgs/Vector3 bounding_box_size

geometry_msgs/PoseWithCovariance object_box_center
geometry_msgs/Vector3 object_box_size

geometry_msgs/Point[] contour_points
